QTc Interval Prolongation Is Independently Associated With Severe Hypoglycemic Attacks in Type 1 Diabetes From the EURODIAB IDDM Complications Study

Our aim was to assess whether severe hypoglycemic attacks were cross-sectionally associated with abnormalities of the QTc interval in type 1 diabetic patients.The study included 3,248 type 1 diabetic patients from the EURODIAB IDDM Complications Study. Severe hypoglycemia was defined as an attack serious enough to require the help of another person. A corrected QTc interval (QTc) >0.44 s was considered abnormally prolonged.Nineteen percent of...